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Our Staff

At Back to Health Chiropractic, we recognize that your choice of a chiropractor in Southern Maine is driven both by the chiropractor's competency and personality. When searching for chiropractic treatment, you need a chiropractor who is experienced, understanding and supportive. You get this caring attitude from all the staff at Back to Health Chiropractic every day. Our staff works together as a team to ensure we are responsive to your needs and keep you informed about your health issues. We look forward to getting to know you.

Dr. Marc Dupuis

Board Certified Chiropractic Sports Physician
Clinic Director of Back to Health Chiropractic PC

Dr. Marc Dupuis, originally from southern Connecticut, relocated with his family to Sanford, Maine as a youth where he attended local schools and graduated from Sanford High School. Dr. Dupuis completed his undergraduate studies at the University of Maine at Orono, where he received a bachelor’s degree in Biology. Following his graduation from UMaine, he realized his passion was to work with people and health care seemed like a natural fit to combine his background in science and research while helping people achieve optimum health. While preparing to attend graduate school in an allopathic medical program, Dr. Dupuis gained hands on experience with patient care while working as an Emergency Medical Technician. It was during this time as an EMT that he developed back pain as a result of repetitive lifting of patients. Dr. Dupuis decided to see his family’s chiropractor and after one visit, he felt significant relief! Perhaps what was more surprising was that after a few visits he noticed improvements in his running and biking. This experience prompted Dr. Dupuis to shift his academic plans and attend graduate school at New York Chiropractic College. The Chiropractic Philosophy of helping individuals achieve health naturally without the use of drugs or surgery and its role in performance improvement of athletes resonated well with Dr. Dupuis’ own views on health.

In 2003, Dr. Dupuis graduated Magna Cum Laude from New York Chiropractic College, in Seneca Falls, New York.

Dr. Dupuis completed his intership at the Camp Geiger School of Infantry & the Camp LeJune Naval Hosptial, both located within the Camp LeJune United States Marine Base, Jacksonville, NC.

In the winter of 2004, Dr. Dupuis was pleased to return to Maine where opened his practice, Back to Health Chiropractic, focusing on family care, athletic performance, injury prevention/treatment and rehabilitation.

Dr. Dupuis had the privilege to study Elite Sports Science at the United States Olympic training center in Lake Placid, New York.

Since the summer of 2007, Dr. Dupuis has functioned as Team Chiropractor for the Sanford Mainer’s Baseball Team, part of the New England College Baseball League.

Recently, Dr. Dupuis served as chiropractor for the United States Bobsled & Skeleton Teams at the United States Olympic Training Center in Lake Placid, New York & in Washington DC for the NCAA National Tae Kwon Do Championships.

Additional Training/Certifications

Since 2003, Dr. Dupuis has dedicated numerous hours of continuing education on the topics of whole food nutrition, therapeutic herbs and nutrition counseling.

In November of 2011, Dr. Dupuis earned the postgraduate designation of Certified Chiropractic Sports Physician® (CCSP®) by the American Chiropractic Board of Sports Physicians™ (ACBSP™). The CCSP® certification requires the doctor to attend a minimum of 100 hours of a 120 hour postgraduate program. This instruction is specific to physical fitness and the evaluation and treatment of injuries encountered in sports. Following the completion of these hours, the doctor must then take and successfully pass a comprehensive written examination.

In February of 2015 Dr. Dupuis earned the postgraduate designation of International Chiropractic Sports Physician.

Dr. Dupuis is a certified Impulse Instrument adjusting chiropractor and is certified in the Webster Technique for pregnant patients. Dr. Dupuis also has advanced training in the application of Kinesio Tape.

Outside Interests

Dr. Dupuis enjoys leading an active lifestyle in various outdoor activities such as biking, hiking, running, skiing and surfing. He regularly competes in triathlons. Dr. Dupuis is a seven-time half Iron distance finisher and is a two time finisher at Ironman Lake Placid. Dr. Dupuis is a member of the American Chiropractic Association, American Chiropractic Association's Sports Council, International Chiropractic Pediatric Associate, Kennebunk Beach Triathlon Club, Maine Chiropractc Association, Orthopedic Associates Triathlon Team.


Dr. Nicole Holt

Chiropractor

Dr. Nikki Holt spent her younger years growing up in Newtown, Pennsylvania until her family moved to Kennesaw, Georgia. She was involved in multiple sports while she was growing up. She became an avid swimmer into her adult years where she received a college scholarship at Mars Hill University in Mars Hill, NC. She received her bachelor’s degree in Psychology with two minors in Sociology and Coaching.

Undecided with a specific career, she worked as a chiropractic assistant at an office in Kennesaw, Georgia. She saw her family and friends being treated and witnessed the amazing benefits and results of chiropractic care. She then decided to pursue her career as a chiropractor at Life University in Marietta, Georgia. She completed her clinic rotations at an outreach facility where she cared for athletes at local CrossFit boxes. While in school, she took a special interest in Sports Chiropractic. After graduating with her doctorate degree in 2019, she went on to receive a master’s degree in Sports Health Science in September 2020. During her master’s internship, she worked with many of the student athletes of multiple sports at Life University and a local university, Kennesaw State University.

Outside of the office, Dr. Nikki’s interests include swimming, hiking, running, going to the beach, and trail running. She also loves to participate in CrossFit, weightlifting, but most of all long walks and exploring new cities with her shih-poodle, Pepper. Her favorite quote is “Natural forces within us are the true healers of disease”- Hippocrates.


Dr. Evan Legere

Chiropractor

Dr. Evan Legere was born and raised in Sanford and graduated in 2013 from Sanford High School. In 2017, he graduated Magna Cum Laude from Saint Joseph’s College of Maine, in Standish, with a bachelor's degree in Biology and a minor in Chemistry. Evan was inducted into their Chapter of Delta Epsilon Sigma National Scholastic Honor Society.

After graduating, he moved to Florida where he pursued a doctorate in Chiropractic. In June 2021, Dr. Evan graduated Summa Cum Laude, and as Salutatorian of his class, from Palmer College of Chiropractic in Port Orange, Florida. Dr. Evan was also the recipient of the Academic Excellence Award at Palmer. Dr. Legere has always been interested in healthcare but did not find his niche in chiropractic until he was introduced to the profession while in college, by family that had life changing experiences under chiropractic care. Dr. Evan is excited to share all that chiropractic has to offer with patients in his hometown.

Outside of the office, Dr. Evan enjoys spending time along the coast, hiking, and skiing the mountains of Maine and New Hampshire and capturing it all through landscape photography. He seizes any opportunity to be outdoors, and he is looking forward to being home in Maine where he can once again enjoy spending time with family and friends and all the nature that New England has to offer.


Dr. Allison Legere

Dr. Allison Legere is a Sanford native and graduated in 2013 from Sanford High School. She furthered her education at Saint Joseph’s College of Maine where she graduated in 2017 with Magna Cum Laude with a bachelor’s degree in Biology and a minor in Chemistry. Dr. Allison was inducted into Saint Joseph’s College of Maine’s Chapter of Delta Epsilon Sigma National Scholastic Honor Society.

In January of 2017, Dr. Allison was involved in a snowboarding accident that landed her in the hospital with severe back pain. Nothing seemed to help her low back pain until she decided to see a chiropractor where she found immediate relief. This was the start of her chiropractic journey. Dr. Allison moved to Florida where she attended Palmer College of Chiropractic. During her clinicals, Dr. Allison was the clinical teaching assistant for her module where she helped other students achieve their clinical goals. In June 2021, Dr. Allison graduated Summa Cum Laude, third in her class, was nominated for the Clinical Excellence Award, and was a recipient of the Academic Excellence Award.

While not in the office, you can find Dr. Allison enjoying Maine’s beaches, hiking the trails with her English cream golden retriever, Brew or at the gym. Dr. Allison is thrilled to be back in her hometown to treat Sanford residents and the residents of surrounding communities.


Laura Gemas, CA

Laura is the Office Manaager at Back to Health Chiropractic P.C. Laura has been a Chiropractic Assistant since 2011. She grew up in Chiropractic Care as her uncle was a chiropractor in Hampton, NH. Laura enjoys working with patients in all aspects of their care. She resides in Lebanon with her husband Scott and thier two boys Keegan and Logan.


Michelle Hamme, CA

Michelle is a Front Desk & Chiropractic Assistant at Back to Health Chiropractic who joined the team in June of 2021. She graduated from Penn State University in 2020 with a bachelor's degree in English and a minor in world literature. Michelle loves meeting new patients and helping them on their way to feeling and living better! She lives in Alfred with her fiancee, Brandon and their kitten, Bristol.


Josie Ring, CA

Josie is a Front Desk & Chiropractic Assistant at Back to Health Chiropractic. Josie Joined the practice June of 2021. She graduated from Saint Joseph's College of Maine with a bachelor's degree in medical biology. Josie enjoys working with patients and looks forward to providing the best care possible to the patients of the practice.